{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896619,-0.442802,0.000000,0.000000,0.282854,-0.572745,0.769387,0.000000,-0.339750,0.687952,0.641321,0.000000,-2169961.856374,4393904.152016,4068653.121467,1],    "boundingVolume": {    "region": [2.029426,0.696162,2.029609,0.696275,0.000000,61.717722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_491715.b3dm"}}}